<span>B. the complementarity of DNA and RNA
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Answer:
together, the brain and spinal cord form the central nervous system. This complex system is part of everything we do. It controls the things we choose to do—like walk and talk—and the things our body does automatically—like breathe and digest food
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Answer: D) A young tadpole has gills, a tail and no legs
Answer:
The process of photosynthesis requires solar energy.
Explanation:
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